content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------
   * XIntervalSeriesTests.java
   * -------------------------
   * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 20-Oct-2006 : Version 1, based on XYSeriesTests (DG);
   * 27-Nov-2007 : Added testClear() method (DG);
   * 10-Apr-2008 : Added testGetXLowValue() and testGetXHighValue() (DG);
   *
   */
  
  package org.jfree.data.xy;
  
  import org.jfree.data.general.SeriesChangeEvent;
  import org.jfree.data.general.SeriesChangeListener;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for the {@link XIntervalSeries} class.
   */
  public class XIntervalSeriesTest
          implements SeriesChangeListener {
  
      SeriesChangeEvent lastEvent;
  
      /**
       * Records the last event.
       *
       * @param event  the event.
       */
      @Override
      public void seriesChanged(SeriesChangeEvent event) {
          this.lastEvent = event;
      }
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          XIntervalSeries s1 = new XIntervalSeries("s1");
          XIntervalSeries s2 = new XIntervalSeries("s1");
          assertEquals(s1, s2);
  
          // seriesKey
          s1 = new XIntervalSeries("s2");
          assertFalse(s1.equals(s2));
          s2 = new XIntervalSeries("s2");
          assertEquals(s1, s2);
  
          // autoSort
          s1 = new XIntervalSeries("s2", false, true);
          assertFalse(s1.equals(s2));
          s2 = new XIntervalSeries("s2", false, true);
          assertEquals(s1, s2);
  
          // allowDuplicateValues
          s1 = new XIntervalSeries("s2", false, false);
          assertFalse(s1.equals(s2));
          s2 = new XIntervalSeries("s2", false, false);
          assertEquals(s1, s2);
  
          // add a value
          s1.add(1.0, 0.5, 1.5, 2.0);
          assertFalse(s1.equals(s2));
          s2.add(1.0, 0.5, 1.5, 2.0);
          assertEquals(s2, s1);
  
          // add another value
          s1.add(2.0, 0.5, 1.5, 2.0);
          assertFalse(s1.equals(s2));
          s2.add(2.0, 0.5, 1.5, 2.0);
          assertEquals(s2, s1);
  
          // remove a value
          s1.remove(1.0);
          assertFalse(s1.equals(s2));
          s2.remove(1.0);
          assertEquals(s2, s1);
  
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          XIntervalSeries s1 = new XIntervalSeries("s1");
          s1.add(1.0, 0.5, 1.5, 2.0);
          XIntervalSeries s2 = (XIntervalSeries) s1.clone();
          assertNotSame(s1, s2);
          assertSame(s1.getClass(), s2.getClass());
          assertEquals(s1, s2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          XIntervalSeries s1 = new XIntervalSeries("s1");
          s1.add(1.0, 0.5, 1.5, 2.0);
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(s1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          XIntervalSeries s2 = (XIntervalSeries) in.readObject();
          in.close();
          assertEquals(s1, s2);
  
      }
  
      /**
       * Simple test for the indexOf() method.
       */
      @Test
      public void testIndexOf() {
          XIntervalSeries s1 = new XIntervalSeries("Series 1");
          s1.add(1.0, 1.0, 1.0, 2.0);
          s1.add(2.0, 2.0, 2.0, 3.0);
          s1.add(3.0, 3.0, 3.0, 4.0);
          assertEquals(0, s1.indexOf(1.0));
      }
  
      /**
       * A check for the indexOf() method for an unsorted series.
       */
      @Test
      public void testIndexOf2() {
          XIntervalSeries s1 = new XIntervalSeries("Series 1", false, true);
          s1.add(1.0, 1.0, 1.0, 2.0);
          s1.add(3.0, 3.0, 3.0, 3.0);
          s1.add(2.0, 2.0, 2.0, 2.0);
          assertEquals(0, s1.indexOf(1.0));
          assertEquals(1, s1.indexOf(3.0));
          assertEquals(2, s1.indexOf(2.0));
      }
  
      /**
       * Simple test for the remove() method.
       */
      @Test
      public void testRemove() {
          XIntervalSeries s1 = new XIntervalSeries("Series 1");
          s1.add(1.0, 1.0, 1.0, 2.0);
          s1.add(2.0, 2.0, 2.0, 2.0);
          s1.add(3.0, 3.0, 3.0, 3.0);
          assertEquals(3, s1.getItemCount());
  
          s1.remove(2.0);
          assertEquals(3.0, s1.getX(1));
  
          s1.remove(1.0);
          assertEquals(3.0, s1.getX(0));
      }
  
      private static final double EPSILON = 0.0000000001;
  
      /**
       * When items are added with duplicate x-values, we expect them to remain
       * in the order they were added.
       */
      @Test
      public void testAdditionOfDuplicateXValues() {
          XIntervalSeries s1 = new XIntervalSeries("Series 1");
          s1.add(1.0, 1.0, 1.0, 1.0);
          s1.add(2.0, 2.0, 2.0, 2.0);
          s1.add(2.0, 3.0, 3.0, 3.0);
          s1.add(2.0, 4.0, 4.0, 4.0);
          s1.add(3.0, 5.0, 5.0, 5.0);
          assertEquals(1.0, s1.getYValue(0), EPSILON);
          assertEquals(2.0, s1.getYValue(1), EPSILON);
          assertEquals(3.0, s1.getYValue(2), EPSILON);
          assertEquals(4.0, s1.getYValue(3), EPSILON);
          assertEquals(5.0, s1.getYValue(4), EPSILON);
      }
  
      /**
       * Some checks for the add() method for an UNSORTED series.
       */
      @Test
      public void testAdd() {
          XIntervalSeries series = new XIntervalSeries("Series", false, true);
          series.add(5.0, 5.50, 5.50, 5.50);
          series.add(5.1, 5.51, 5.51, 5.51);
          series.add(6.0, 6.6, 6.6, 6.6);
          series.add(3.0, 3.3, 3.3, 3.3);
          series.add(4.0, 4.4, 4.4, 4.4);
          series.add(2.0, 2.2, 2.2, 2.2);
          series.add(1.0, 1.1, 1.1, 1.1);
          assertEquals(5.5, series.getYValue(0), EPSILON);
          assertEquals(5.51, series.getYValue(1), EPSILON);
          assertEquals(6.6, series.getYValue(2), EPSILON);
          assertEquals(3.3, series.getYValue(3), EPSILON);
          assertEquals(4.4, series.getYValue(4), EPSILON);
          assertEquals(2.2, series.getYValue(5), EPSILON);
          assertEquals(1.1, series.getYValue(6), EPSILON);
      }
  
      /**
       * A simple check that the maximumItemCount attribute is working.
       */
      @Test
      public void testSetMaximumItemCount() {
          XIntervalSeries s1 = new XIntervalSeries("S1");
          assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
          s1.setMaximumItemCount(2);
          assertEquals(2, s1.getMaximumItemCount());
          s1.add(1.0, 1.1, 1.1, 1.1);
          s1.add(2.0, 2.2, 2.2, 2.2);
          s1.add(3.0, 3.3, 3.3, 3.3);
          assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
          assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
      }
  
      /**
       * Check that the maximum item count can be applied retrospectively.
       */
      @Test
      public void testSetMaximumItemCount2() {
          XIntervalSeries s1 = new XIntervalSeries("S1");
          s1.add(1.0, 1.1, 1.1, 1.1);
          s1.add(2.0, 2.2, 2.2, 2.2);
          s1.add(3.0, 3.3, 3.3, 3.3);
          s1.setMaximumItemCount(2);
          assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
          assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
      }
  
      /**
       * Some checks for the clear() method.
       */
      @Test
      public void testClear() {
          XIntervalSeries s1 = new XIntervalSeries("S1");
          s1.addChangeListener(this);
          s1.clear();
          assertNull(this.lastEvent);
          assertTrue(s1.isEmpty());
          s1.add(1.0, 2.0, 3.0, 4.0);
          assertFalse(s1.isEmpty());
          s1.clear();
          assertNotNull(this.lastEvent);
          assertTrue(s1.isEmpty());
      }
  
      /**
       * A simple check for getXLowValue().
       */
      @Test
      public void testGetXLowValue() {
          XIntervalSeries s1 = new XIntervalSeries("S1");
          s1.add(1.0, 2.0, 3.0, 4.0);
          assertEquals(2.0, s1.getXLowValue(0), EPSILON);
          s1.add(2.0, 1.0, 4.0, 2.5);
          assertEquals(1.0, s1.getXLowValue(1), EPSILON);
      }
  
      /**
       * A simple check for getXHighValue().
       */
      @Test
      public void testGetXHighValue() {
          XIntervalSeries s1 = new XIntervalSeries("S1");
          s1.add(1.0, 2.0, 3.0, 4.0);
          assertEquals(3.0, s1.getXHighValue(0), EPSILON);
          s1.add(2.0, 1.0, 4.0, 2.5);
          assertEquals(4.0, s1.getXHighValue(1), EPSILON);
      }
  
  }
  